When a model is sent from MIRO to GAMS Engine, it is executed in a Linux environment. This means that Windows-only tools like GDXXRW are not available and a corresponding call in the model will lead to an error on GAMS Engine. Furthermore it has to be considered that Linux is case-sensitive. It should therefore be ensured that file system calls (file paths as well as file names) from within the model code are correctly capitalized. The model is executed in an isolated environment (“container”). Therefore it is important that file paths can be applied correctly (e.g. no hardcoded absolute paths).